GARDNER, Robert B.; GLADIN, Matthew. A Type of Eneström-Kakeya Theorem for Quaternionic Polynomials Involving Monotonicity with a Reversal. Armenian Journal of Mathematics, Yerevan, Armenia, v. 17, n. 4, p. 1–10, 2025. DOI: 10.52737/18291163-2025.17.4-1-10. Disponível em: https://armjmath.sci.am/index.php/ajm/article/view/1262. Acesso em: 21 may. 2025.